diff options
Diffstat (limited to 'api/src/glfs-internal.h')
| -rw-r--r-- | api/src/glfs-internal.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/api/src/glfs-internal.h b/api/src/glfs-internal.h index 30ff599f2..ec1d5579d 100644 --- a/api/src/glfs-internal.h +++ b/api/src/glfs-internal.h @@ -14,6 +14,46 @@ #include "xlator.h" +#define GLFS_SYMLINK_MAX_FOLLOW 2048 + +#define DEFAULT_REVAL_COUNT 1 + +#define ESTALE_RETRY(ret,errno,reval,loc,label) do { \ + if (ret == -1 && errno == ESTALE) { \ + if (reval < DEFAULT_REVAL_COUNT) { \ + reval++; \ + loc_wipe (loc); \ + goto label; \ + } \ + } \ + } while (0) + +#define GLFS_LOC_FILL_INODE(oinode, loc, label) do { \ + loc.inode = inode_ref (oinode); \ + uuid_copy (loc.gfid, oinode->gfid); \ + ret = glfs_loc_touchup (&loc); \ + if (ret != 0) { \ + errno = EINVAL; \ + goto label; \ + } \ + } while (0) + +#define GLFS_LOC_FILL_PINODE(pinode, loc, ret, errno, label, path) do { \ + loc.inode = inode_new (pinode->table); \ + if (!loc.inode) { \ + ret = -1; \ + errno = ENOMEM; \ + goto label; \ + } \ + loc.parent = inode_ref (pinode); \ + loc.name = path; \ + ret = glfs_loc_touchup (&loc); \ + if (ret != 0) { \ + errno = EINVAL; \ + goto label; \ + } \ + } while (0) + struct glfs; typedef int (*glfs_init_cbk) (struct glfs *fs, int ret); @@ -55,6 +95,15 @@ struct glfs_fd { fd_t *fd; /* Currently guared by @fs->mutex. TODO: per-glfd lock */ struct list_head entries; gf_dirent_t *next; + struct dirent *readdirbuf; +}; + +/* glfs object handle introduced for the alternate gfapi implementation based + on glfs handles/gfid/inode +*/ +struct glfs_object { + inode_t *inode; + uuid_t gfid; }; #define DEFAULT_EVENT_POOL_SIZE 16384 @@ -133,6 +182,19 @@ inode_t * glfs_refresh_inode (xlator_t *subvol, inode_t *inode); inode_t *glfs_cwd_get (struct glfs *fs); int glfs_cwd_set (struct glfs *fs, inode_t *inode); +inode_t *glfs_resolve_inode (struct glfs *fs, xlator_t *subvol, + struct glfs_object *object); +int glfs_create_object (loc_t *loc, struct glfs_object **retobject); int __glfs_cwd_set (struct glfs *fs, inode_t *inode); +int glfs_resolve_base (struct glfs *fs, xlator_t *subvol, inode_t *inode, + struct iatt *iatt); +int glfs_resolve_at (struct glfs *fs, xlator_t *subvol, inode_t *at, + const char *origpath, loc_t *loc, struct iatt *iatt, + int follow, int reval); +int glfs_loc_touchup (loc_t *loc); +void glfs_iatt_to_stat (struct glfs *fs, struct iatt *iatt, struct stat *stat); +int glfs_loc_link (loc_t *loc, struct iatt *iatt); +int glfs_loc_unlink (loc_t *loc); + #endif /* !_GLFS_INTERNAL_H */ |